Million-dollar STR investments generate six-figure tax deductions through cost segregation — enough to meaningfully reshape your tax position for years.
| MACRS Class | Amount | % of Accelerated | Bonus Eligible |
|---|---|---|---|
| 5-Year Property | $190,400 | 70% | Yes — 100% |
| 7-Year Property | $21,760 | 8% | Yes — 100% |
| 15-Year Property | $59,840 | 22% | Yes — 100% |
| 27.5yr Property | $528,000 | 66% | No — standard schedule |
| Total Depreciable Basis | $800,000 | 100% | — |
| Method | Year-1 Deduction | Difference |
|---|---|---|
| Standard Straight-Line (27.5yr) | $29,091 | — |
| With Cost Segregation + Bonus | $272,000 | +$242,909 |
Investing $1M in a short-term rental property unlocks the full power of cost segregation. At this price point, the accelerated depreciation approaches $272K — enough to generate over $100K in first-year tax savings. For high-income investors in the 37% bracket, this single deduction can eliminate a substantial portion of their federal tax liability.
Properties at the million-dollar level tend to be luxury STRs with extensive buildouts: custom kitchens, high-end appliances, designer furnishings, smart home automation, premium landscaping, pools, and outdoor entertainment areas. Every one of these elements qualifies for accelerated MACRS classification — most in the 5-year class, with site improvements in the 15-year class.
The study cost at $1M is $1,195 — still remarkably affordable relative to the deduction. Many investors at this level work with CPAs who specifically recommend cost segregation as part of a broader tax strategy that includes bonus depreciation, material participation qualification, and strategic timing of property purchases around tax year-end.
| Price | Accelerated | Tax Savings | Study Cost | ROI |
|---|---|---|---|---|
| $300K | $81,600 | $30,192 | $795 | 38x |
| $500K | $136,000 | $50,320 | $795 | 63x |
| $750K | $204,000 | $75,480 | $795 | 95x |
| $1M | $272,000 | $100,640 | $1,195 | 84x |
| $400K | $108,800 | $40,256 | $795 | 51x |
| $600K | $163,200 | $60,384 | $795 | 76x |
| $1.5M | $408,000 | $150,960 | $1,195 | 126x |
| Property Type | Accelerated | Tax Savings | Study Cost | ROI |
|---|---|---|---|---|
| Airbnb / Short-Term Rental | $272,000 | $100,640 | $1,195 | 84x |
| Multifamily | $144,000 | $53,280 | $1,195 | 45x |
| Rental Property | $144,000 | $53,280 | $1,195 | 45x |
A cost segregation study is an engineering-based analysis that reclassifies components of your property into shorter IRS depreciation categories (5, 7, and 15 years) instead of the default 27.5 or 39 years. This accelerates your depreciation deductions, reducing your tax bill in the early years of ownership.
Short-term rentals are typically furnished with furniture, appliances, electronics, linens, kitchenware, and décor — all of which qualify as 5-year personal property under MACRS. This FF&E (furniture, fixtures, and equipment) often represents 15-20% of the property's depreciable basis, significantly increasing the accelerated depreciation amount compared to unfurnished long-term rentals.
When you sell a property, the IRS recaptures accelerated depreciation at a maximum rate of 25%. However, the time value of money strongly favors taking the deduction now: $50K in tax savings today is worth far more than paying $12,500 in recapture tax years later. Additionally, a 1031 exchange can defer recapture indefinitely.
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